Here is the question, which one flyng vechile would you pick to represent each decade: 1900 -1909, 1910 - 1919, 1920 - 1929, 1930 - 1939, 1940 - 1949, 1950 - 1959, 1960 - 1969, 1970 - 1979, 1980 - 1989, 1990 - 1999, 2000 - 2009? I know this will take some thinking, one plane for each decade. You pick the qualifications, range, handling, number produced, payload...etc. The challenge is to pick only one. I am working on my list.